Re: logic/db question

On 8/2/06, bruce <bedouglas@earthlink.net> wrote:
> hi...
>
> i have a tbl
>  fooTBL
>    name
>    parentID
>    ID
>
> so a name can have might have a parentID, as well as an ID. 'name's are
> associated with other 'name's via the parentID. in other words, if a name's
> parentID == a name's ID, name1 is the parent of name2.
>
>   name  parentID        ID
>   foo            -              1
>   cat           1               2
>   dog   2               3
>
> my question, how can i come up with a sql query that will list all the
> children (and children's children...) of a top level item?
>
> i had done this awhile ago.. but can't recall how i did it..
>

you can try tablefunc contrib module, or recursive pl/pgsql

http://people.planetpostgresql.org/merlin/index.php?/archives/2-Dealing-With-Recursive-Sets-With-PLPGSQL.html

merlin